MA-L: a full /24 OUI block, IEEE's largest, covering 16,777,216 addresses.
Prefix00:16:28:00:00:00 /24
Vendor addressHampshire Road Weymouth Dorset GB DT4 9XD
Country🇬🇧 United Kingdom
RegisteredOct 13, 2005
Block range00:16:28:00:00:00– 00:16:28:FF:FF:FF
Address capacity16,777,216
AdministrationUniversally administered: its prefix comes from a block registered through the IEEE Registration Authority
TransmissionUnicast: addressed to a single device
SourceIEEE Registration Authority
Address capacity is the size of this registered block, not a count of devices actually manufactured or online. Registration identifies the organization holding the block, not a specific device model or unit.
Curious how a prefix like this turns into a full address? See how MAC addresses are structured →
Ownership timeline
- Oct 13, 2005 – Jun 10, 2016 Ultra Electronics Manufacturing and Card Systems name changed
- Jun 10, 2016 – Jun 11, 2016 Ultra Electronics Manufacturing & Card Systems name changedaddress changed
- Jun 11, 2016 – present Magicard Ltd
Example addresses in this block
Where this block sits
Previous
00:16:27:00:00:00 /24
embedded-logic DESIGN AND MORE GmbH
Next
00:16:29:00:00:00 /24
Nivus GmbH
The nearest registered blocks of the same size on either side of this one in IEEE's address space.
Magicard Ltd holds 1 registered blocks in the IEEE registry, ranking #19,056 of 33,427 organizations by block count.